3VK4

Crystal Structure of L-Methionine gamma-Lyase from Pseudomonas putida C116H Mutant complexed with L-homocysteine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2O7CPDB ENTRY 2O7C

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.229312.5% PEG6000, 0.25M ammonium sulfate, 0.2M MES, 0.5mM PLP, 0.5% 2-mercaptoethanol, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.7755.54

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 153.488α = 90
b = 153.487β = 90
c = 80.671γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2010-12-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44XU0.9000SPring-8BL44XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.65099.30.1490.0675778057379-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.62.6498.70.6382.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2O7C2.6129.285737954542290298.220.193950.193950.190760.25329RANDOM29.487
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.217
r_dihedral_angle_3_deg20.1
r_dihedral_angle_4_deg17.493
r_dihedral_angle_1_deg6.532
r_scangle_it3.669
r_scbond_it2.244
r_angle_refined_deg1.693
r_mcangle_it1.634
r_mcbond_it0.86
r_chiral_restr0.119
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.217
r_dihedral_angle_3_deg20.1
r_dihedral_angle_4_deg17.493
r_dihedral_angle_1_deg6.532
r_scangle_it3.669
r_scbond_it2.244
r_angle_refined_deg1.693
r_mcangle_it1.634
r_mcbond_it0.86
r_chiral_restr0.119
r_bond_refined_d0.016
r_gen_planes_refined0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11907
Nucleic Acid Atoms
Solvent Atoms79
Heterogen Atoms32

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling